Why does fission hav a negative effect on gravitational friction?

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

Compare the parts of a cell and the cell as a whole to another common nonliving system (i. e., a car, a city, describe the parts of a cell and their primary function.